Math, asked by aanchalsinha0405, 25 days ago

The circumference of a circle is 132 mm. Then its diameter is

Answers

Answered by InnocentLover01

5

Circumference of a circle = 2πr

132 = 2 * 22/7 * r

132 * 7 = 44 * r

924/44 = r

21 = 4mm

Hence, diameter = 2r

= 2 * 21

= 42 mm

Hope the answer is helpful for you...

Answered by prabhatsharma1410

1

Step-by-step explanation:

convert 132 mm in cm=13.2 cm

circumference = 2piR

13.2 cm = 2×22/7 × r

r = 13.2 × 7/44

r = 2.1 cm

diameter = 2r

d = 4.2 cm

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